Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

One Lap of the Web: Rolls-Royce in Thailand, 130-mph lawn mowers and Formula One in Canada

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Check out some factoids about Formula One in Canada and how drivers have faired at Canadian tracks over time.

The 1967 Shelby GT350 and GT500 are here!

The 1967 model year saw the introduction of a redesigned Ford Mustang that was slightly larger and heavier than the first pony cars. Bloat, it seems, has been around forever. But it wasn't all bad: '67 'Stangs got those crisp, fastback lines immortalized in "Bullitt" and yes, the remake of "Gone in 60 Seconds." Plus, the Mustang's increased size meant you could wedge a big-block motor under the hood, and that's exactly what Shelby American did with the GT500.

Ariel Atom 3.5 (2012) first official pictures

It's difficult for Ariel to come up with a mid-life refresh for its cars - there simply aren't that many bits to fiddle with in the first place. Still, the boys from Somerset must have succeeded, because what we have here is the freshly updated Ariel Atom 3.5. As the name suggests, it's a development of the Ariel Atom 3, with a crop of minor visual  tweaks and some mechanical changes too, keeping Caterham and BAC looking over their shoulders.